【商品名】<br>Bose Virtually Invisible 191 スピーカー (ペア) <br><br>【カテゴリー】家電・カメラ：オーディオ<br><br>【商品詳細】<br><br>Proprietary ported enclosure produces cleaner and deeper low-frequency performance mainly directed into the intended listening area, not into adjoining rooms<br>